/*
 * Copyright (c) 2009 Piotr Piastucki
 * 
 * This file is part of Patchca captcha.patchca library.
 * 
 *  Patchca is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *  
 *  Patchca is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser General Public License for more details.
 *  
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with Patchca. If not, see <http://www.gnu.org/licenses/>.
 */
package cn.dreampie.captcha.text.render;

import java.util.ArrayList;

public class TextString {

  private ArrayList<TextCharacter> characters = new ArrayList<TextCharacter>();

  public void clear() {
    characters.clear();
  }

  public void addCharacter(TextCharacter tc) {
    characters.add(tc);
  }

  public ArrayList<TextCharacter> getCharacters() {
    return characters;
  }

  public double getWidth() {
    double minx = 0;
    double maxx = 0;
    boolean first = true;
    for (TextCharacter tc : characters) {
      if (first) {
        minx = tc.getX();
        maxx = tc.getX() + tc.getWidth();
        first = false;
      } else {
        if (minx > tc.getX()) {
          minx = tc.getX();
        }
        if (maxx < tc.getX() + tc.getWidth()) {
          maxx = tc.getX() + tc.getWidth();
        }
      }

    }
    return maxx - minx;
  }

  public double getHeight() {
    double miny = 0;
    double maxy = 0;
    boolean first = true;
    for (TextCharacter tc : characters) {
      if (first) {
        miny = tc.getY();
        maxy = tc.getY() + tc.getHeight();
        first = false;
      } else {
        if (miny > tc.getY()) {
          miny = tc.getY();
        }
        if (maxy < tc.getY() + tc.getHeight()) {
          maxy = tc.getY() + tc.getHeight();
        }
      }

    }
    return maxy - miny;
  }

}
